The Venus was a case heard before the United States Supreme Court in 1816. The claimant, Jademerowsky, argued that he had been wrongfully deprived of his vessel and cargo by Spanish authorities while on a voyage from St. Thomas to Havana. He sought compensation for damages suffered as a result of this deprivation under the Treaty of Peace between Spain and the United States signed in 1795. The court held that although there were some irregularities with respect to how Jademerowsky's claim was presented, it could not be denied due to those issues alone; instead, they found that he should receive full compensation for his losses according to the terms set out in the treaty. Furthermore, they ruled that any costs incurred by him during litigation must also be reimbursed by Spain since their actions caused them in the first place. This decision established an important precedent regarding international treaties and their enforcement within U.S courts which continues today

In The Venus case, the Supreme Court was asked to decide whether a ship called "The Venus" could be considered an American vessel. Justice Johnson wrote a dissenting opinion in which he argued that the vessel should not be considered an American vessel because it had been built and registered in France before being sold to Americans. He noted that while some of its crew were citizens of the United States, they were hired after it was purchased by Americans and did not make up a majority of its crew at any point during its voyage. Furthermore, he argued that even if all members of the crew had been citizens when they signed on for their voyage, this would still not have made The Venus an American vessel since it had already been constructed and registered as French prior to their employment. Ultimately, Justice Johnson concluded that The Venus should remain classified as a French ship despite having changed hands multiple times throughout its journey due to various factors such as where it was built and who comprised most of its crew at each stage along the way.